AUTHOR=Gu He , Tan Qingli , Yongxing Guo , He Han , Yu Zhang TITLE=Family support, social security, commercial insurance, and aging anxiety among Chinese residents: a study based on the 2021 CGSS data JOURNAL=Frontiers in Public Health VOLUME=13 YEAR=2025 URL=https://www.frontiersin.org/journals/public-health/articles/10.3389/fpubh.2025.1577384 DOI=10.3389/fpubh.2025.1577384 ISSN=2296-2565